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Finding the Third Proportional to 130,808 and 282,340

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Solution

The third proportional to 130,808 and 282,340 is: 609,411.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,808 : 282,340 = 282,340 : x
  2. Step 2: Convert to fraction form
    130,808/282,340 = 282,340/x
  3. Step 3: Cross multiply
    130,808x = 282,340 × 282,340
  4. Step 4: Simplify right side
    130,808x = 79,715,875,600
  5. Step 5: Solve for x
    x = 79,715,875,600/130,808
  6. Step 6: Final answer
    x = 609,411.32

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.